Vivo V21e 5G vs Grundig X400
| Type | Touch | Bar (classic) | 
| Dimensions | 160.63 x 73.91 x 7.67 mm | 108.00 x 43.00 x 10.00 mm | 
| Weight | 167.00 g | 61.00 g | 
| Display size | 6.44" | - | 
| Display | Color / AMOLED 16M colors 90 Hz 1080 x 2400 px (6.44") 409 ppi | Color / TFT 64k colors 128 x 160 px | 
| Display protection | ||
| Additional display | ||
| Protection of the secondary display | ||
| Talk time (max.) | 2G: 150 min. (2.5 h) | |
| Stand-by (max.) | 2G: 170 h. (7.1 days) | |
| Standard battery | Li-Ion 4000 mAhBuy powerbank | Li-Po 570 mAhBuy powerbank | 
| Quick battery charging | ||
| Wireless battery charging | ||
| Internal memory | 128 GB | 2 MB | 
| RAM memory | 8 GB | |
| Memory cards | microSD, microSDHC, microSDXC | microSD | 
| Operating system | Android 11 | - | 
| Interface | Funtouch 11.1 | - | 
| Processor | MediaTek Dimensity 700 MT6833 | - | 
| Processor clock | 2200 MHz | - | 
| GPU | ARM Mail-G57 MC2 @955 Mhz | - | 
| Touchscreen | ||
| SAR (10g) | 0,86 W/kg | |
| DualSIM | ||
| SIM cards standard | DualSIM(nanoSIM, nanoSIM) | |
| DualSIM mode | dual standby | nd | 
| Hybrid DualSIM | nanoSIM, microSD | nd | 
| Announced | 2Q 2021 | |
| Other names | V2055; PD2102 | - | 
| GSM frequencies | 850 900 1800 1900 | 900 1800 1900 | 
| UMTS | 850 900 1700 1900 2100 | |
| LTE standard | FDD LTE: 2100, 1900, 1800, 1700, 900, 850 TDD LTE: 2600, 2500, 2300 | |
| Standard 5G | TDD 5G: 3500 | |
| CDMA | ||
| Standard TD-SCDMA | ||
| UMA | 
 
            
